Chmod 777 to a folder and all contents [duplicate]

chmod 777 I'm trying to change the permissions of temp_dir to 777. Why are these commands not accomplishing that? I'm using Linux by the way.. The command chmod

uus777 gacor, chmod a-w file (removes all writing permissions) chmod o+x file (sets execute permissions for other (public permissions)) chmod u=rx file (Give the owner rx permissions,.